1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s | FileCheck %s 3target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" 4target triple = "i386-apple-darwin9.5" 5; -(-a) - a should be found and removed, leaving refs to only L and P 6define i32 @test(i32 %a, i32 %L, i32 %P) nounwind { 7; CHECK-LABEL: test: 8; CHECK: ## %bb.0: ## %entry 9; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 10; CHECK-NEXT: subl {{[0-9]+}}(%esp), %eax 11; CHECK-NEXT: retl 12entry: 13 %0 = sub i32 %L, %a 14 %1 = sub i32 %P, %0 15 %2 = sub i32 %1, %a 16 br label %return 17 18return: ; preds = %bb3 19 ret i32 %2 20} 21